About

The heart is a complex and important function of the body. It circulates blood around the whole body.

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Fun facts:

• The human heart beats more than three billion times in an average lifespan.
• Your heart beats around 100000 times a day, 36500000 times a year and over a billion times if you live beyond 30.
• The heart is made up of four chambers, the left atrium, right atrium, left ventricle and right ventricle.